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Media Type
4
movies
Topics & Subjects
2
City Planning
2
Civil Engineering
2
Infrastructure: Roads and Highways
2
Metals: Steel: Steel Industry
1
Earthquakes
1
Engineering
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Collection
4
Prelinger Archives
2
chadstamm Favorites
2
compoundeye Favorites
2
foolishblue Favorites
2
jefffm Favorites
2
Margaret B. Favorites
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Creator
2
bethlehem steel company
1
bethlehem steel
1
bethlehem steel corp
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